// Truly new one created by application
public ConcealedSector(String worldName, Vector3D sectorPos) {
WorldName = worldName;
SectorPosition = sectorPos;
FileName = GenFileName(worldName, sectorPos);
BuildersFileName = GenGridBuildersFileName(worldName, sectorPos);
NeedsSave = true;
}
public static MyVoxelMap BuildAsteroidSphere(bool multiThread, double radius, byte materialIndex, byte faceMaterialIndex,
bool hollow = false, int shellWidth = 0)
{
var length = (int)((radius * 2) + 2);
var buildSize = CalcRequiredSize(length);
var origin = new Vector3I(buildSize.X / 2, buildSize.Y / 2, buildSize.Z / 2);
var action = (Action <MyVoxelBuilderArgs>) delegate(MyVoxelBuilderArgs e)
{
VRageMath.Vector3D voxelPosition = e.CoordinatePoint;
int v = GetSphereVolume(ref voxelPosition, radius, origin);
if (hollow)
{
int h = GetSphereVolume(ref voxelPosition, radius - shellWidth, origin);
e.Volume = (byte)(v - h);
}
else
{
e.Volume = (byte)v;
}
};
return(BuildAsteroid(multiThread, buildSize, materialIndex, faceMaterialIndex, action));
}
public override bool GetBotSpawnPosition(string behaviorType, out VRageMath.Vector3D spawnPosition)
{
// CH: TODO: Do this more generically, so that modders would be able to define their own bot types and the way they spawn
if (behaviorType == "Spider")
{
MatrixD spawnMatrix;
bool success = GetSpiderSpawnPosition(out spawnMatrix, null);
spawnPosition = spawnMatrix.Translation;
return(success);
}
else if (MySession.Static.LocalCharacter != null)
{
var pos = MySession.Static.LocalCharacter.PositionComp.GetPosition();
Vector3 up;
Vector3D right, forward;
up = MyGravityProviderSystem.CalculateNaturalGravityInPoint(pos);
if (up.LengthSquared() < 0.0001f)
{
up = Vector3.Up;
}
else
{
up = Vector3D.Normalize(up);
}
forward = Vector3.CalculatePerpendicularVector(up);
right = Vector3.Cross(forward, up);
spawnPosition = MyUtils.GetRandomDiscPosition(ref pos, 5.0f, ref forward, ref right);
return(true);
}
spawnPosition = Vector3D.Zero;
return(false);
}
public override bool GetBotSpawnPosition(string behaviorType, out VRageMath.Vector3D spawnPosition)
{
if (MySession.LocalCharacter != null)
{
var pos = MySession.LocalCharacter.PositionComp.GetPosition();
Vector3 up;
Vector3D right, forward;
up = MyGravityProviderSystem.CalculateNaturalGravityInPoint(pos);
if (up.LengthSquared() < 0.0001f)
{
up = Vector3.Up;
}
else
{
up = Vector3D.Normalize(up);
}
forward = Vector3.CalculatePerpendicularVector(up);
right = Vector3.Cross(forward, up);
spawnPosition = MyUtils.GetRandomDiscPosition(ref pos, 5.0f, ref forward, ref right);
return(true);
}
spawnPosition = Vector3D.Zero;
return(false);
}
public void Update(float updateStepTime)
{
VRageRender.MyRenderProxy.GetRenderProfiler().StartProfilingBlock("MyCamera-Update");
Zoom.Update(updateStepTime);
VRageRender.MyRenderProxy.GetRenderProfiler().EndProfilingBlock();
Vector3 newCameraPosOffset = Vector3.Zero;
// spring
if (CameraSpring.Enabled)
{
CameraSpring.Update(updateStepTime, out newCameraPosOffset);
}
// shake
if (CameraShake.ShakeEnabled)
{
Vector3 shakePos, shakeDir;
CameraShake.UpdateShake(updateStepTime, out shakePos, out shakeDir);
newCameraPosOffset += shakePos;
}
// apply
if (newCameraPosOffset != Vector3.Zero)
{
Vector3D newCameraPosOffsetD = newCameraPosOffset;
Vector3D newCameraPosOffsetRotatedD;
Vector3D.Rotate(ref newCameraPosOffsetD, ref ViewMatrix, out newCameraPosOffsetRotatedD);
ViewMatrix.Translation += newCameraPosOffsetRotatedD;
}
UpdatePropertiesInternal(ViewMatrix);
}
public static MyVoxelMap BuildAsteroidSphere(bool multiThread, double radius, string material, string faceMaterial,
bool hollow = false, int shellWidth = 0)
{
var length = (int)((radius * 2) + 2).RoundUpToNearest(64);
var size = new Vector3I(length, length, length);
var origin = new Vector3I(size.X / 2, size.Y / 2, size.Z / 2);
var action = (Action <MyVoxelBuilderArgs>) delegate(MyVoxelBuilderArgs e)
{
VRageMath.Vector3D voxelPosition = e.CoordinatePoint;
int v = GetSphereVolume(ref voxelPosition, radius, origin);
if (hollow)
{
int h = GetSphereVolume(ref voxelPosition, radius - shellWidth, origin);
e.Volume = (byte)(v - h);
}
else
{
e.Volume = (byte)v;
}
};
return(BuildAsteroid(multiThread, size, material, faceMaterial, action));
}
public static byte GetSphereVolume(ref VRageMath.Vector3D voxelPosition, double radius, VRageMath.Vector3D center)
{
double num = (voxelPosition - center).Length();
double signedDistance = num - radius;
signedDistance = MathHelper.Clamp(-signedDistance, -1f, 1f) * 0.5f + 0.5f;
return((byte)(signedDistance * 255));
}
public void UpdateScreenSize(MyViewport currentScreenViewport)
{
Viewport = currentScreenViewport;
PreviousPosition = Vector3D.Zero;
BoundingFrustum = new BoundingFrustumD(MatrixD.Identity);
AspectRatio = Viewport.Width / Viewport.Height;
}
public void BoundingBoxIntersectCustom()
{
var point = new VRageMath.Vector3D(5d, 3.5d, 4d);
var vector = new VRageMath.Vector3D(-0.03598167d, 0.0110336d, 0.9992915d);
var box = new VRageMath.BoundingBoxD(new VRageMath.Vector3D(3d, 3d, 2d), new VRageMath.Vector3D(7d, 4d, 6d));
VRageMath.Vector3D?p = box.IntersectsRayAt(point, vector * 1000);
Assert.AreEqual(new VRageMath.Vector3D(4.9176489098920966d, 3.5151384795308953d, 6.00000000000319d), p.Value, "Should Equal");
}
/// <summary>
/// Flushes A into the simplex
/// </summary>
/// <param name="direction">next search direction</param>
private bool Update34(out Vec3 direction)
{
if (Dimension == 4)
{
return(Update4(out direction));
}
// assert Dimension == 3.
Update3(out direction);
return(false);
}
public void BoundingBoxIntersectKeen()
{
var point = new VRageMath.Vector3D(5d, 3.5d, 4d);
var vector = new VRageMath.Vector3D(-0.03598167d, 0.0110336d, 0.9992915d);
var box = new VRageMath.BoundingBoxD(new VRageMath.Vector3D(3d, 3d, 2d), new VRageMath.Vector3D(7d, 4d, 6d));
var ray = new VRageMath.RayD(point, vector);
double?f = box.Intersects(ray);
Assert.AreEqual(0, f, "Should Equal");
}
public void Update3(out Vec3 searchDirection)
{
var ba = B - A;
var ca = C - A;
Vec3 norm;
Vec3.Cross(ref ba, ref ca, out norm);
var origin = -A;
Scalar dotRes;
Vec3 crossRes;
Vec3.Cross(ref ba, ref norm, out crossRes);
Vec3.Dot(ref crossRes, ref origin, out dotRes);
if (dotRes > 0) // origin outside the triangle, BA closest.
{
Dimension = 2;
C = A;
Vec3.Cross(ref ba, ref origin, out crossRes);
Vec3.Cross(ref crossRes, ref ba, out searchDirection);
return;
}
Vec3.Cross(ref norm, ref ca, out crossRes);
Vec3.Dot(ref crossRes, ref origin, out dotRes);
if (dotRes > 0) // origin outside the triangle, CA closest
{
Dimension = 2;
B = A;
Vec3.Cross(ref ca, ref origin, out crossRes);
Vec3.Cross(ref crossRes, ref ca, out searchDirection);
return;
}
Dimension = 3;
Vec3.Dot(ref norm, ref origin, out dotRes);
if (dotRes < 0) // origin below the triangle.
{
// reverse winding order, BCD = BAC
D = C;
C = A;
searchDirection = -norm;
return;
}
D = C;
C = B;
B = A;
searchDirection = norm;
}
/// <summary>
/// Determines which sector the emitting face of a radar is pointing at
/// </summary>
/// <param name="antenna"></param>
/// <returns></returns>
private Sector DetermineAntennaSector(IMySlimBlock antenna)
{
// Start with the default direction
// The model antenna points in the +X, +Y, and -Z directions
VRageMath.Vector3D direction
= new VRageMath.Vector3D(1.0f, 1.0f, -1.0f);
// Rotate this vector by the orientation of the block
VRageMath.Vector3D rotated = VRageMath.Vector3D.Rotate(
direction, antenna.FatBlock.LocalMatrix);
_logger.debugLog("New radar's vector is " + rotated.ToString(),
"DetermineAntennaSector");
return(SectorExtensions.ClassifyVector(rotated));
}
public bool Update4(out Vec3 searchDirection)
{
var abc = Vec3.Cross(B - A, C - A);
var origin = -A;
Scalar dotRes;
Vec3.Dot(ref abc, ref origin, out dotRes);
if (dotRes > 0) // outside, ABC closest
{
Dimension = 3;
// BCD = BCA
D = A;
searchDirection = abc;
return(false);
}
var acd = Vec3.Cross(C - A, D - A);
Vec3.Dot(ref acd, ref origin, out dotRes);
if (dotRes > 0) // outside, ACD closest
{
Dimension = 3;
// BCD = ACD
B = A;
searchDirection = acd;
return(false);
}
var adb = Vec3.Cross(D - A, B - A);
Vec3.Dot(ref adb, ref origin, out dotRes);
if (dotRes > 0) // outside, ADB closest
{
Dimension = 3;
// BCD = BAD
C = A;
searchDirection = adb;
return(false);
}
// skip checking BCD dot origin, we know it's on the inside w.r.t it
searchDirection = Vec3.Zero;
return(true);
}
public void BoundingBoxIntersectCustom()
{
var point = new VRageMath.Vector3D(5d, 3.5d, 4d);
var vector = new VRageMath.Vector3D(-0.03598167d, 0.0110336d, 0.9992915d);
var box = new VRageMath.BoundingBoxD(new VRageMath.Vector3D(3d, 3d, 2d), new VRageMath.Vector3D(7d, 4d, 6d));
VRageMath.Vector3D? p = box.IntersectsRayAt(point, vector * 1000);
Assert.AreEqual(new VRageMath.Vector3D(4.9176489098920966d, 3.5151384795308953d, 6.00000000000319d), p.Value, "Should Equal");
}
Vector3D IMyCamera.WorldToScreen(ref Vector3D worldPos)
{
return Vector3D.Transform(worldPos, ViewProjectionMatrix);
}
double IMyCamera.GetDistanceWithFOV(Vector3D position)
{
return GetDistanceFromPoint(position);
}
public double GetDistanceFromPoint(Vector3D position)
{
return Vector3D.Distance(this.Position, position);
}
/// <summary>
/// Gets screen coordinates of 3d world pos in 0 - 1 distance where 1.0 is screen width(for X) or height(for Y).
/// WARNING: Y is from bottom to top.
/// </summary>
/// <param name="worldPos">World position.</param>
/// <returns>Screen coordinate in 0-1 distance.</returns>
public Vector3D WorldToScreen(ref Vector3D worldPos)
{
return Vector3D.Transform(worldPos, ViewProjectionMatrix);
}
public void UpdateScreenSize(MyViewport currentScreenViewport)
{
Viewport = currentScreenViewport;
PreviousPosition = Vector3D.Zero;
BoundingFrustum = new BoundingFrustumD(MatrixD.Identity);
AspectRatio = Viewport.Width / Viewport.Height;
}
public void SetViewMatrix(MatrixD newViewMatrix)
{
PreviousPosition = Position;
UpdatePropertiesInternal(newViewMatrix);
}
/// <summary>
/// Gets screen coordinates of 3d world pos in 0 - 1 distance where 1.0 is screen width(for X) or height(for Y).
/// WARNING: Y is from bottom to top.
/// </summary>
/// <param name="worldPos">World position.</param>
/// <returns>Screen coordinate in 0-1 distance.</returns>
public Vector3D WorldToScreen(ref Vector3D worldPos)
{
return(Vector3D.Transform(worldPos, ViewProjectionMatrix));
}
// Truly new one created by application
public ConcealedSector(String worldName, Vector3D sectorPos)
{
WorldName = worldName;
SectorPosition = sectorPos;
FileName = GenFileName(worldName, sectorPos);
BuildersFileName = GenGridBuildersFileName(worldName, sectorPos);
NeedsSave = true;
}
public void SetViewMatrix(MatrixD newViewMatrix)
{
PreviousPosition = Position;
UpdatePropertiesInternal(newViewMatrix);
}
public MyObjectBuilder_EntityBase BuildEntity()
{
var asteroidCenter = new VRageMath.Vector3D();
var asteroidSize = new Vector3I();
string originalFile = null;
if (IsStockVoxel)
{
var stockfile = StockVoxel.SourceFilename;
if (StockMaterial == null || StockMaterial.Value == null)
{
SourceFile = stockfile;
originalFile = SourceFile;
var asteroid = new MyVoxelMap();
asteroid.Load(stockfile, SpaceEngineersCore.Resources.GetDefaultMaterialName(), false);
asteroidCenter = asteroid.BoundingContent.Center;
asteroidSize = asteroid.BoundingContent.SizeInt() + 1; // Content size
}
else
{
var asteroid = new MyVoxelMap();
asteroid.Load(stockfile, StockMaterial.Value);
asteroid.ForceBaseMaterial(SpaceEngineersCore.Resources.GetDefaultMaterialName(), StockMaterial.Value);
SourceFile = TempfileUtil.NewFilename(MyVoxelMap.V2FileExtension);
asteroid.Save(SourceFile);
originalFile = StockVoxel.SourceFilename;
asteroidCenter = asteroid.BoundingContent.Center;
asteroidSize = asteroid.BoundingContent.SizeInt() + 1; // Content size
}
}
else if (IsFileVoxel)
{
originalFile = SourceFile;
var asteroid = new MyVoxelMap();
asteroid.Load(SourceFile, SpaceEngineersCore.Resources.GetDefaultMaterialName(), false);
asteroidCenter = asteroid.BoundingContent.Center;
asteroidSize = asteroid.BoundingContent.SizeInt() + 1; // Content size
if (StockMaterial != null && StockMaterial.Value != null)
{
asteroid.ForceBaseMaterial(SpaceEngineersCore.Resources.GetDefaultMaterialName(), StockMaterial.Value);
SourceFile = TempfileUtil.NewFilename(MyVoxelMap.V2FileExtension);
asteroid.Save(SourceFile);
}
}
else if (IsSphere)
{
string material;
if (StockMaterial != null && StockMaterial.Value != null)
material = StockMaterial.Value;
else
material = SpaceEngineersCore.Resources.GetDefaultMaterialName();
originalFile = string.Format("sphere_{0}_{1}_{2}{3}", material.ToLowerInvariant(), SphereRadius, SphereShellRadius, MyVoxelMap.V2FileExtension);
var asteroid = MyVoxelBuilder.BuildAsteroidSphere(SphereRadius > 32, SphereRadius, material, material, SphereShellRadius != 0, SphereShellRadius);
// TODO: progress bar.
asteroidCenter = asteroid.BoundingContent.Center;
asteroidSize = asteroid.BoundingContent.SizeInt() + 1; // Content size
SourceFile = TempfileUtil.NewFilename(MyVoxelMap.V2FileExtension);
asteroid.Save(SourceFile);
}
// automatically number all files, and check for duplicate filenames.
Filename = MainViewModel.CreateUniqueVoxelStorageName(originalFile);
// Figure out where the Character is facing, and plant the new constrcut right in front.
// Calculate the hypotenuse, as it will be the safest distance to place in front.
double distance = Math.Sqrt(Math.Pow(asteroidSize.X, 2) + Math.Pow(asteroidSize.Y, 2) + Math.Pow(asteroidSize.Z, 2)) / 2;
var vector = new BindableVector3DModel(_dataModel.CharacterPosition.Forward).Vector3D;
vector.Normalize();
vector = System.Windows.Media.Media3D.Vector3D.Multiply(vector, distance);
Position = new BindablePoint3DModel(Point3D.Add(new BindablePoint3DModel(_dataModel.CharacterPosition.Position).Point3D, vector));
//Forward = new BindableVector3DModel(_dataModel.CharacterPosition.Forward);
//Up = new BindableVector3DModel(_dataModel.CharacterPosition.Up);
Forward = new BindableVector3DModel(Vector3.Forward); // Asteroids currently don't have any orientation.
Up = new BindableVector3DModel(Vector3.Up);
var entity = new MyObjectBuilder_VoxelMap
{
EntityId = SpaceEngineersApi.GenerateEntityId(IDType.ASTEROID),
PersistentFlags = MyPersistentEntityFlags2.CastShadows | MyPersistentEntityFlags2.InScene,
StorageName = Path.GetFileNameWithoutExtension(Filename),
PositionAndOrientation = new MyPositionAndOrientation
{
Position = Position.ToVector3D() - asteroidCenter,
Forward = Forward.ToVector3(),
Up = Up.ToVector3()
}
};
return entity;
}
private bool BuildEntity()
{
var filenamepart = Path.GetFileNameWithoutExtension(Filename);
var filename = MainViewModel.CreateUniqueVoxelStorageName(filenamepart + MyVoxelMap.V2FileExtension);
double multiplier;
if (IsMultipleScale)
{
multiplier = MultipleScale;
}
else
{
multiplier = MaxLengthScale / Math.Max(Math.Max(OriginalModelSize.Height, OriginalModelSize.Width), OriginalModelSize.Depth);
}
var scale = new ScaleTransform3D(multiplier, multiplier, multiplier);
var rotateTransform = MeshHelper.TransformVector(new System.Windows.Media.Media3D.Vector3D(0, 0, 0), -RotateRoll, RotateYaw - 90, RotatePitch + 90);
SourceFile = TempfileUtil.NewFilename(MyVoxelMap.V2FileExtension);
var model = MeshHelper.Load(Filename, ignoreErrors: true);
var meshes = new List <MyVoxelRayTracer.MyMeshModel>();
var geometeries = new List <MeshGeometry3D>();
foreach (var model3D in model.Children)
{
var gm = (GeometryModel3D)model3D;
var geometry = gm.Geometry as MeshGeometry3D;
if (geometry != null)
{
geometeries.Add(geometry);
}
}
meshes.Add(new MyVoxelRayTracer.MyMeshModel(geometeries.ToArray(), InsideStockMaterial.MaterialIndex, InsideStockMaterial.MaterialIndex));
#region handle dialogs and process the conversion
var doCancel = false;
var progressModel = new ProgressCancelModel {
Title = Res.WnProgressTitle, SubTitle = Res.WnProgressTitle, DialogText = Res.WnProgressTxtTimeRemain + " " + Res.WnProgressTxtTimeCalculating
};
var progressVm = new ProgressCancelViewModel(this, progressModel);
progressVm.CloseRequested += delegate(object sender, EventArgs e)
{
doCancel = true;
};
var cancelFunc = (Func <bool>) delegate
{
return(doCancel);
};
var completedAction = (Action) delegate
{
progressVm.Close();
};
MyVoxelMap voxelMap = null;
var action = (Action) delegate
{
voxelMap = MyVoxelRayTracer.ReadModelAsteroidVolmetic(model, meshes, scale, rotateTransform, TraceType, TraceCount, TraceDirection,
progressModel.ResetProgress, progressModel.IncrementProgress, cancelFunc, completedAction);
};
if (RunInLowPrioity)
{
System.Diagnostics.Process.GetCurrentProcess().PriorityClass = System.Diagnostics.ProcessPriorityClass.Idle;
}
_dialogService.ShowDialog <WindowProgressCancel>(this, progressVm, action);
if (RunInLowPrioity)
{
System.Diagnostics.Process.GetCurrentProcess().PriorityClass = System.Diagnostics.ProcessPriorityClass.Normal;
}
#endregion
if (doCancel || voxelMap == null)
{
IsValidEntity = false;
NewEntity = null;
}
else
{
voxelMap.ForceShellMaterial(OutsideStockMaterial.Value, (byte)OutsideMaterialDepth);
voxelMap.Save(SourceFile);
var position = VRageMath.Vector3D.Zero;
var forward = Vector3.Forward;
var up = Vector3.Up;
if (IsAbsolutePosition)
{
position = Position.ToVector3();
}
else if (IsInfrontofPlayer)
{
// Figure out where the Character is facing, and plant the new construct centered in front of the Character, but "BuildDistance" units out in front.
var lookVector = (VRageMath.Vector3D)_dataModel.CharacterPosition.Forward.ToVector3();
lookVector.Normalize();
BoundingBoxD content = voxelMap.BoundingContent.ToBoundingBoxD();
VRageMath.Vector3D?boundingIntersectPoint = content.IntersectsRayAt(content.Center, -lookVector * 5000d);
if (!boundingIntersectPoint.HasValue)
{
boundingIntersectPoint = content.Center;
}
var distance = VRageMath.Vector3D.Distance(boundingIntersectPoint.Value, content.Center) + (float)BuildDistance;
VRageMath.Vector3D vector = lookVector * distance;
position = VRageMath.Vector3D.Add(_dataModel.CharacterPosition.Position, vector) - content.Center;
}
var entity = new MyObjectBuilder_VoxelMap(position, filename)
{
EntityId = SpaceEngineersApi.GenerateEntityId(IDType.ASTEROID),
PersistentFlags = MyPersistentEntityFlags2.CastShadows | MyPersistentEntityFlags2.InScene,
StorageName = Path.GetFileNameWithoutExtension(filename)
};
entity.PositionAndOrientation = new MyPositionAndOrientation
{
Position = position,
Forward = forward,
Up = up
};
IsValidEntity = voxelMap.BoundingContent.Size.Volume() > 0;
NewEntity = entity;
if (BeepWhenFinished)
{
System.Media.SystemSounds.Asterisk.Play();
}
}
return(!doCancel);
}
Vector3D IMyCamera.WorldToScreen(ref Vector3D worldPos)
{
return(Vector3D.Transform(worldPos, ViewProjectionMatrix));
}
/// <summary>
/// Goes through all tracks in the list and determines whether or not
/// they can currently be seen. This function does not add or remove
/// contacts from the list. That can only be done in ProcessAcquiredContacts.
/// </summary>
private void DoTrackingSweep()
{
//_logger.debugLog("Beginning sweep", "DoTrackingSweep");
Vector3D myPos = _grid.WorldAABB.Center;
// Go through all current tracks and update their makers
foreach (Track track in _allTracks.Values)
{
//_logger.debugLog($"For Track {track.trackId}", "DoTrackingSweep");
// If the entity is null, this track is only available on the
// server so use the stored value. Otherwise get the most
// up to date value
if (track.ent != null)
{
//_logger.debugLog("Entity is not null", "DoTrackingSweep");
track.position = track.ent.WorldAABB.Center;
}
// Transform the coordinates into grid space so we
// can compare it against our radar coverage
VRageMath.Vector3D relative
= VRageMath.Vector3D.Transform(
track.position, _grid.WorldMatrixNormalizedInv);
//Check that the sector is covered by our radars
Sector sec = SectorExtensions.ClassifyVector(relative);
if (IsSectorBlind(sec))
{
//_logger.debugLog("Sector is blind", "DoTrackingSweep");
// If a contact is not trackable, clear its GPS marker
ClearTrackMarker(track);
continue;
}
// Vector to target
Vector3D vecTo = track.position - myPos;
// If the entity is available, calculate the cross-section
// Otherwise we will use the stored value from the server
if (track.ent != null)
{
track.xsec
= EWMath.DetermineXSection(track.ent as IMyCubeGrid, vecTo);
}
double range = vecTo.Length();
double minxsec
= EWMath.MinimumXSection(
Constants.radarBeamWidths[(int)_assignedType], range);
if (track.xsec < minxsec)
{
//_logger.debugLog("Cross-section not large enough", "DoTrackingSweep");
ClearTrackMarker(track);
continue;
}
// TODO: raycast
// If all of the previous checks passed, this contact should
// be visible with a marker
AddUpdateTrackMarker(track);
}
}
void IMySlimBlock.ComputeWorldCenter(out VRageMath.Vector3D worldCenter)
{
ComputeWorldCenter(out worldCenter);
}
double IMyCamera.GetDistanceWithFOV(Vector3D position)
{
return(GetDistanceFromPoint(position));
}
bool IMyEntity.DoOverlapSphereTest(float sphereRadius, VRageMath.Vector3D spherePos)
{
return(DoOverlapSphereTest(sphereRadius, spherePos));
}
public double GetDistanceFromPoint(Vector3D position)
{
return(Vector3D.Distance(this.Position, position));
}
public void BoundingBoxIntersectKeen()
{
var point = new VRageMath.Vector3D(5d, 3.5d, 4d);
var vector = new VRageMath.Vector3D(-0.03598167d, 0.0110336d, 0.9992915d);
var box = new VRageMath.BoundingBoxD(new VRageMath.Vector3D(3d, 3d, 2d), new VRageMath.Vector3D(7d, 4d, 6d));
var ray = new VRageMath.RayD(point, vector);
double? f = box.Intersects(ray);
Assert.AreEqual(0, f, "Should Equal");
}
void IMySlimBlock.ComputeScaledCenter(out VRageMath.Vector3D scaledCenter)
{
ComputeScaledCenter(out scaledCenter);
}
public VRageMath.Vector3 DirectionToTarget(VRageMath.Vector3D target)
{
return(target);
}
void IMyEntity.SetPosition(VRageMath.Vector3D pos)
{
PositionComp.SetPosition(pos);
}
public MyObjectBuilder_EntityBase BuildEntity()
{
var asteroidCenter = new VRageMath.Vector3D();
var asteroidSize = new Vector3I();
string originalFile = null;
if (IsStockVoxel)
{
var stockfile = StockVoxel.SourceFilename;
if (StockMaterial == null || StockMaterial.Value == null)
{
SourceFile = stockfile;
originalFile = SourceFile;
var asteroid = new MyVoxelMap();
asteroid.Load(stockfile);
asteroidCenter = asteroid.BoundingContent.Center;
asteroidSize = asteroid.BoundingContent.Size + 1; // Content size
}
else
{
var asteroid = new MyVoxelMap();
asteroid.Load(stockfile);
asteroid.ForceBaseMaterial(SpaceEngineersCore.Resources.GetDefaultMaterialName(), StockMaterial.Value);
SourceFile = TempfileUtil.NewFilename(MyVoxelMap.V2FileExtension);
asteroid.Save(SourceFile);
originalFile = StockVoxel.SourceFilename;
asteroidCenter = asteroid.BoundingContent.Center;
asteroidSize = asteroid.BoundingContent.Size + 1; // Content size
}
}
else if (IsFileVoxel)
{
originalFile = SourceFile;
var asteroid = new MyVoxelMap();
asteroid.Load(SourceFile);
asteroidCenter = asteroid.BoundingContent.Center;
asteroidSize = asteroid.BoundingContent.Size + 1; // Content size
if (StockMaterial != null && StockMaterial.Value != null)
{
asteroid.ForceBaseMaterial(SpaceEngineersCore.Resources.GetDefaultMaterialName(), StockMaterial.Value);
SourceFile = TempfileUtil.NewFilename(MyVoxelMap.V2FileExtension);
asteroid.Save(SourceFile);
}
}
else if (IsSphere)
{
byte materialIndex;
if (StockMaterial?.MaterialIndex != null)
{
materialIndex = StockMaterial.MaterialIndex.Value;
}
else
{
materialIndex = SpaceEngineersCore.Resources.GetDefaultMaterialIndex();
}
string materialName = SpaceEngineersCore.Resources.GetMaterialName(materialIndex);
originalFile = string.Format("sphere_{0}_{1}_{2}{3}", materialName.ToLowerInvariant(), SphereRadius, SphereShellRadius, MyVoxelMap.V2FileExtension);
var asteroid = MyVoxelBuilder.BuildAsteroidSphere(SphereRadius > 32, SphereRadius, materialIndex, materialIndex, SphereShellRadius != 0, SphereShellRadius);
// TODO: progress bar.
asteroidCenter = asteroid.BoundingContent.Center;
asteroidSize = asteroid.BoundingContent.Size + 1; // Content size
SourceFile = TempfileUtil.NewFilename(MyVoxelMap.V2FileExtension);
asteroid.Save(SourceFile);
}
// automatically number all files, and check for duplicate filenames.
Filename = MainViewModel.CreateUniqueVoxelStorageName(originalFile);
// Figure out where the Character is facing, and plant the new constrcut right in front.
// Calculate the hypotenuse, as it will be the safest distance to place in front.
double distance = Math.Sqrt(Math.Pow(asteroidSize.X, 2) + Math.Pow(asteroidSize.Y, 2) + Math.Pow(asteroidSize.Z, 2)) / 2;
var vector = new BindableVector3DModel(_dataModel.CharacterPosition.Forward).Vector3D;
vector.Normalize();
vector = System.Windows.Media.Media3D.Vector3D.Multiply(vector, distance);
Position = new BindablePoint3DModel(Point3D.Add(new BindablePoint3DModel(_dataModel.CharacterPosition.Position).Point3D, vector));
//Forward = new BindableVector3DModel(_dataModel.CharacterPosition.Forward);
//Up = new BindableVector3DModel(_dataModel.CharacterPosition.Up);
Forward = new BindableVector3DModel(Vector3.Forward); // Asteroids currently don't have any orientation.
Up = new BindableVector3DModel(Vector3.Up);
var entity = new MyObjectBuilder_VoxelMap
{
EntityId = SpaceEngineersApi.GenerateEntityId(IDType.ASTEROID),
PersistentFlags = MyPersistentEntityFlags2.CastShadows | MyPersistentEntityFlags2.InScene,
StorageName = Path.GetFileNameWithoutExtension(Filename),
PositionAndOrientation = new MyPositionAndOrientation
{
Position = Position.ToVector3D() - asteroidCenter,
Forward = Forward.ToVector3(),
Up = Up.ToVector3()
}
};
return(entity);
}
public static bool Intersects <T1, T2>(ref T1 shape1, ref T2 shape2, int iterations = 64) where T1 : struct, ConvexShape where T2 : struct, ConvexShape
{
Vec3 searchDirection;
Scalar dotResult;
var simplex = new Simplex();
// Initialize the simplex to a line, with searchDirection for next point.
{
searchDirection = shape2.Center - shape1.Center;
if (Vec3.IsZero(searchDirection))
{
searchDirection = Vec3.UnitX;
}
// Initial point
simplex.C = shape2.FarthestInDirection(searchDirection) - shape1.FarthestInDirection(-searchDirection);
searchDirection = -simplex.C;
simplex.Dimension++;
// Second point, crossing origin
simplex.B = shape2.FarthestInDirection(searchDirection) - shape1.FarthestInDirection(-searchDirection);
simplex.Dimension++;
// Check if we made progress
Vec3.Dot(ref simplex.B, ref searchDirection, out dotResult);
if (dotResult < 0)
{
return(false);
}
var bc = simplex.C - simplex.B;
Vec3.Cross(ref bc, ref simplex.B, out searchDirection);
Vec3.Cross(ref bc, ref searchDirection, out searchDirection);
if (Vec3.IsZero(searchDirection))
{
// create perp vector to BC
if (Math.Abs(bc.Y + bc.Z) > 1e-5 || Math.Abs(bc.X) > 1e-5)
{
searchDirection = new Vector3D(-(bc.Y + bc.Z), bc.X, bc.X);
}
else
{
searchDirection = new Vector3D(bc.Z, bc.Z, -(bc.X + bc.Y));
}
}
}
for (var i = 0; i < iterations; i++)
{
simplex.A = shape2.FarthestInDirection(searchDirection) - shape1.FarthestInDirection(-searchDirection);
simplex.Dimension++;
// Check if we made progress
Vec3.Dot(ref simplex.A, ref searchDirection, out dotResult);
if (dotResult < 0)
{
return(false);
}
if (simplex.Dimension == 3)
{
simplex.Update3(out searchDirection);
}
else
{
// assert Dimension == 4
if (simplex.Update4(out searchDirection))
{
return(true);
}
}
}
return(false);
}
